Find the Best Air Conditioning Companies in Brentwood, NY

GallettAir Inc. Inc. is a trusted HVAC contractor serving Long Island since 1983. We specialize in heating, air conditioning, water heater installation and repair, and air duct cleaning for residential and commercial clients. Our certified technicians provide 24/7 emergency service, energy-efficient solutions, and comprehensive service agreements to ensure year-round comfort and system longevity.

NH Ross is a trusted provider of plumbing, HVAC, and electrical services for Long Island homes. Family-owned since 1971, we deliver expert craftsmanship, 24/7 emergency support, and transparent pricing to ensure your home's comfort and safety. Our 50+ years of experience and commitment to innovation make us the premier choice for residential service solutions.

Wales Darby is a premier manufacturer's representative for HVAC, hydronic, and plumbing equipment. Since 1974, we've provided energy-efficient systems to building owners, engineers, and contractors across NY, NJ, and PA. Our services include product distribution, technical support, and training for residential and commercial applications.

Elm Air Conditioning provides expert HVAC installation, repair, and maintenance services in Nassau and Suffolk Counties. With over 70 years of combined experience, we deliver energy-efficient solutions tailored to residential needs. Our locally owned business prioritizes quality craftsmanship, offering free estimates, financing options, and 24/7 emergency support to ensure year-round comfort.

Better Air Quality provides comprehensive air duct cleaning and HVAC mold remediation services for commercial buildings across Long Island and New York City. With 30+ years of experience, we specialize in improving indoor air quality through advanced cleaning technologies and EPA-registered products. Our services reduce energy costs, eliminate contaminants, and ensure compliance with safety standards for businesses, schools, and healthcare facilities.

Air Ideal delivers comprehensive HVAC services for commercial and residential properties across NYC and Long Island. Specializing in system installation, preventive maintenance, and emergency repairs, we combine 90+ years of engineering expertise with cutting-edge technology to optimize comfort, efficiency, and cost savings. Our team serves diverse industries including healthcare, luxury residential, and corporate offices.

Inter County Mechanical delivers expert HVAC solutions in Bohemia, NY, specializing in new installations, service contracts, and 24/7 emergency repairs. Our team combines industry partnerships with technical expertise to provide energy-efficient systems and reliable maintenance. Committed to customer satisfaction, we offer tailored HVAC management for residential and commercial clients.

Petro Home Services provides comprehensive HVAC services, heating oil delivery, propane supply, and generator solutions across the Northeast and Mid-Atlantic regions. Our company specializes in energy-efficient heating and cooling system installations, emergency repair services, and sustainable Bioheat fuel options. We combine technical expertise with customer-focused service plans to ensure year-round comfort for residential and commercial clients.

S&S Fuel delivers heating oil and HVAC services across Long Island and Queens. We provide residential and commercial customers with reliable fuel delivery, equipment installation, and maintenance plans. Our services include automatic delivery monitoring, emergency response, and energy-saving solutions for heating and cooling systems.

D & S Mechanical Services provides comprehensive HVAC solutions for commercial and industrial properties across Long Island and New York City. Established in 2001, we specialize in installation, repair, and maintenance of heating, ventilation, and air conditioning systems with 24/7 emergency service availability. Our certified technicians deliver energy-efficient solutions backed by a 30-day labor warranty.